docs: def get_by(self, field, value, uri=None):
          """
          This function uses get_all passing a filter.
  
          The search is case-insensitive.
  
          Args:
              field: Field name to filter.
              value: Value to filter.
              uri: Resource uri.
  
          Returns:
              dict
          """
          if not field:
              logger.exception(RESOURCE_CLIENT_INVALID_FIELD)
              raise ValueError(RESOURCE_CLIENT_INVALID_FIELD)
  
          if not uri:
              uri = self._uri
          self.__validate_resource_uri(uri)
  
          logger.debug('Get by (uri = %s, field = %s, value = %s)' %
                       (uri, field, str(value)))
  
          filter = "\"{0}='{1}'\"".format(field, value)
          results = self.get_all(filter=filter, uri=uri)
  
          # Workaround when the OneView filter does not work, it will filter again
          if "." not in field:
              # This filter only work for the first level
              results = [item for item in results if str(item.get(field, '')).lower() == value.lower()]
  
          return results